PlanningTrack
Get started

England · Local authority

Welwyn Hatfield planning applications

PlanningTrack collects planning applications and decisions from the public planning register of Welwyn Hatfield Borough Council. Search an address, application reference or proposal. Official Welwyn Hatfield website

Collected application statistics

Collected records · All available dates
40,229Searchable applications
309Recorded as pending
86%Approval rate · 33,738 approved or refused records
4,810Refused applications

28,928 approved · 4,810 refused · 2,212 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 6 Nov 2026. Counts reflect the last collected status; some records may be out of date.

Local planning information

Council sources checked 14 Sept 2026
Planning information Planning and buildingLocal plan Our Local PlanPre-application advice Pre-application advice (planning applications)Conservation areas Schedule of properties removed from the Welwyn Conservation AreaArticle 4 directions Article 4 Directions

Conservation areas and Article 4 directions

Explore published planning boundaries and follow their source records for designation details. Coverage varies: an empty map does not mean there are no restrictions. Check the council’s current maps and documents before relying on a boundary.

Conservation areas9 mapped area records
Article 4 direction areasNo boundary records available in this collection

Interactive planning map loads with JavaScript. Dataset sources are linked below.

Download Article 4 coverage for all authorities (CSV)

Data downloaded 14 Sept 2026. Display boundaries are simplified and indicative. Map record counts are not a complete count of designations or directions.

Sources: Planning Data conservation areas and Article 4 direction areas. Contains public sector information licensed under the Open Government Licence v3.0.

More application records

  1. Decided - Granted6/2017/0472/HOUSE

    Erection of new detached garage with workshop/office space and associated works, following the demolition of existing detached garage.

    2 Ruins Cottages Hill Farm Lane Ayot St Lawrence Welwyn AL6 9BU

    Received 10 Mar 2017
  2. Decided - Granted6/2017/1680/HOUSE

    Erection of single storey side extensions, two storey rear extension, alteration and enlargement of roof, 3no side dormers. 2no side roof lights and front bay window

    18 Plough Hill Cuffley Potters Bar EN6 4DN

    Received 31 Jul 2017
  3. Decided - GrantedW6/2009/1403/EM

    REBUILDING OF BOUNDARY WALL

    118 Handside Lane, Welwyn Garden City, AL8 6SZ

    Received 15 Jun 2009
  4. Decided - Granted6/2017/2530/TPO

    Reduce 3 Douglas Fir tree branches by upto 3m and 4m in height covered by TPO 294 (2004)

    15 Wendover Drive Welwyn AL6 9LT

    Received 31 Oct 2017
  5. Decided - GrantedN6/2009/1900/TP

    REDUCTION OF TWO BRANCHES BY 30% FROM BEECH TREE COVERED BY TPO1156 G6

    25 Warren Way Digswell Welwyn AL6 0DQ

    Received 23 Jul 2009
  6. Decided - Granted6/2021/0702/EMT

    Reduce Cypress Hedge by 8ft, remove low limb from 1 x Sycamore tree, fell 1 x Plum tree

    41 Digswell Rise Welwyn Garden City AL8 7PP

    Received 3 Mar 2021
  7. Decided - RefusedW6/2008/2118/EM

    REPLACEMENT HARDSTANDING

    254 DANIELLS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 1QE

    Received 10 Nov 2008
  8. Decided - GrantedN6/2009/2510/TP

    REMOVAL OF HORSE CHESTNUT COVERED BY TPO 73 G1 POSSIBLE DDD

    Guessens 6 Codicote Road Welwyn AL6 9NB

    Received 5 Nov 2009
  9. Decided - Granted6/2024/1612/EM

    Single storey rear extension with insertion of rooflights, following demolition of outbuilding

    9 Pondcroft Welwyn Garden City AL7 3XJ

    Received 22 Aug 2024
  10. Decided - Granted6/2016/0785/PN15

    Prior approval for the installation of 15m pole supporting 3no shrouded antennas, 3no equipment cabinets and ancillary development thereto including meter cabinet

    Land at Cole Green Lane, Welwyn Garden City, AL7 3DQ

    Received 20 Apr 2016
  11. Appeal Decided - AllowedN6/2014/0630/FP

    Erection of single storey and two storey side and rear extensions

    19 Digswell Park Road, Welwyn Garden City, AL8 7NW

    Received 28 Mar 2014
  12. Decided - Granted6/2026/1238/EM

    Installing solar panels on the front-facing roof of the house

    64 Oakdale Welwyn Garden City AL8 7QZ

    Received 14 Jul 2026
  13. Decided - Granted6/2023/0556/EM

    Removal of Front side border hedge and re-surfacing front path and driveway.

    337 Knightsfield Welwyn Garden City AL8 7NB

    Received 13 Mar 2023
  14. Decided - Granted6/2019/0141/MAJ

    Installation of Solar PV System to existing roof areas

    Computacenter (UK) Ltd, Hatfield Avenue, Hatfield, AL10 9TW

    Received 24 Jan 2019
  15. Decided - GrantedN6/2006/0215/FP

    ERECTION OF TWO STOREY AND SINGLE STOREY REAR EXTENSION

    3 Cubitts Close Digswell Welwyn AL6 0DZ

    Received 20 Feb 2006
  16. Decided - GrantedN6/2014/2359/TP

    Reduce Three Sycamore trees by upto 25% covered by TPO83

    Bridge Cottage Surgery 41 High Street Welwyn AL6 9EF

    Received 27 Oct 2014
  17. Decided - Granted6/2020/2657/HOUSE

    Erection of single storey timber orangery to replace existing conservatory.

    2 Wych Elm Lane Welwyn AL6 9TG

    Received 13 Oct 2020
  18. Decided - GrantedW6/2007/0842/EM

    ERECTION OF GARDEN SHED

    15 Barleycroft Road, Welwyn Garden City, AL8 6JX

    Received 11 Jun 2007
  19. Decided - GrantedN6/2013/1140/TC

    Removal of Dead tree

    Savoy Cottage, Digswell Lodge, 13 Digswell Rise, WELWYN GARDEN CITY, AL8 7NU

    Received 4 Jun 2013
  20. Decided - Granted6/2017/1471/FULL

    Change of use of existing building from Doctors Surgery to four bedroom residential dwelling

    11 Guessens Road Welwyn Garden City AL8 6QW

    Received 5 Jul 2017
  21. Decided - Refused6/2025/0462/LAWP

    Certificate of lawfulness for a garden building

    18 Birchwood Close Hatfield AL10 0PP

    Received 12 Mar 2025
  22. Decided - GrantedN6/2005/1312/FP

    SINGLE STOREY REAR EXTENSION TO FORM GRANNY ANNEXE.

    15 Woodside Road Digswell Welwyn AL6 0DS

    Received 18 Oct 2005
  23. Decided - GrantedN6/2013/2643/TC

    Reduce Beech tree by 20%

    Land bordering, 66 Bridge Road & Brockswood Corner, Welwyn Garden City, AL8 6UR

    Received 2 Dec 2013
  24. Decided - Granted6/2025/1317/HOUSE

    Erection of replacement conservatory with new orangery

    25 Chelveston Welwyn Garden City AL7 2PW

    Received 24 Jun 2025

Records are ordered by application ID, not submission date. Use search to find a particular address or proposal.

View all applications

Applications by postcode area

Get emailed about new planning applications in Welwyn Hatfield

Area alerts send a daily or weekly email with new applications and decisions near a postcode, filtered by project type. £29 a month, up to 3 areas. Records are limited to the councils we collect.

Set up an area alert

Researching a proposal in Welwyn Hatfield Borough Council

Start with the address or application reference. Open a record to read the proposal, dates and available documents, then check the official register for the latest plans and consultation details. If nothing appears, check coverage before treating the result as a complete planning history.

How to search planning applications

Guides to planning records

All planning guides

  • Understanding planning · 13 min read

    Planning application documents: what to read first

    Understand planning application documents, officer reports and decision notices. Use a reading checklist, document table and worked example to inspect a case.

    UK research
    Published Updated

  • Understanding planning · 13 min read

    Planning permission drawings: how to read plans

    Read planning drawings, floor plans, elevations and sections. Use labelled diagrams, a drawing comparison table and revision checks to understand a proposal.

    UK research
    Published Updated

  • Property research · 13 min read

    Planning approval rates: how to read council statistics

    Understand planning approval rates with an interactive calculator, worked examples and comparison table. Check sample sizes, outcomes and coverage before comparing.

    UK research
    Published Updated

What these statistics cover

These figures describe applications collected by PlanningTrack for Welwyn Hatfield Borough Council, across all dates currently available. They are a partial dataset, rather than an authority-wide performance measure. The date range does not establish continuous historical coverage.

The approval percentage is approved records divided by approved plus refused records. Pending, withdrawn and unknown outcomes are excluded. No percentage is shown until there is an approved or refused record.

Check collection coverage

More planning authorities in England

Browse all authorities